Perhaps you should try some spelling variations:
wang liang » wang yang
liu jiyuan » liu jinyuan, liu zhiyuan
liu yuan » liu yan, liu yu, chu yuan
yi yang » yin yang, yu yang, ying yang
yi gang » ii gang, i gang, li gang
xi fang » xia fang, xi kang, cai fang
sheng » cheng, zheng

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((liu jiyuan) OR (liu yuan)) ((yi yang) OR (yi gang)) xi fang sheng ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((liu jiyuan) OR (liu yuan)) ((yi yang) or (yi gang)) xi fang sheng ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ((liu jiyuan) OR (liu yuan)) ((yi yang) or (yi gang)) xi fang sheng ;*.